Track Commerce order completed event (commerce_order.place.post_transition)

Problem/Motivation

Hi, I was wondering why Google Tag is not tracking
commerce_order.place.post_transition event for completed orders.

Instead, it just seems to track fully paid orders?

  /**
   * {@inheritDoc}
   */
  public static function getSubscribedEvents(): array {
    return [
      OrderEvents::ORDER_PAID => 'onPaid',
    ];
  }

https://git.drupalcode.org/project/google_tag/-/blob/2.0.x/src/EventSubs...

Isn't that incorrect, or at least something else?
I'd like to understand the reason.

Thank you!

Steps to reproduce

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes